This page provides a few examples of some of the most common ERDDAP queries.
Detailed documentation on how to construct URL queries for ERDDAP datasets may be found in the official ERDDAP tabledap documentation.
Note that we also provide access to the same data via a REST API.

ERDDAP URL

The base URL for this ERDDAP instance is:

https://coriolix.sikuliaq.alaska.edu/erddap

Result Formats

ERDDAP query results can be requested in a variety of formats. The format selection is made by appending the format type to the base query.

Available formats include:
.csv, .htmlTable, .itx, .json, .jsonlCSV1, .jsonlCSV, .jsonlKVP, .mat, .nc, .nccsv, .tsv, .xhtml.

The examples below demonstrate how to request the format of interest.

Example Queries

LIST ALL AVAILABLE DATASETS
To view all available CORIOLIX ERDDAP data and metadata endpoints (as an HTML page):

BASE_URL/info/index.html


SENSOR METADATA
To get sensor metadata in CSV format for a specific data set, use a URL like:

BASE_URL/info/cog_degreestrue_gnsspo112593_fullres/index.csv


FULL RESOLUTION DATA
To retrieve data from a specific datetime interval at full resolution (as an HTML table):

BASE_URL/tabledap/cog_degreestrue_gnsspo112593_fullres.htmlTable?time_raw%2Ctime%2Cvalue%2Cflag_summary%2Cflag_string&time%3E=2026-05-02T10%3A36%3A00Z&time%3C=2026-05-02T11%3A36%3A00Z


NUMBER OF DATA RECORDS
To retrieve the number of data points within a specific time interval (as CSV) use orderByCount:

BASE_URL/tabledap/cog_degreestrue_gnsspo112593_fullres.csv?time&time%3E=2026-05-02T10%3A36%3A00Z&time%3C=2026-05-02T11%3A36%3A00Z&orderByCount(%22%22)


DECIMATION
To retrieve every full resolution data point closest to the hour (as CSV) use orderByClosest:

BASE_URL/tabledap/cog_degreestrue_gnsspo112593_fullres.csv?time_raw%2Ctime%2Cvalue%2Cflag_summary%2Cflag_string&time%3E=2026-05-02T10%3A36%3A00Z&time%3C=2026-05-02T11%3A36%3A00Z&orderByClosest(%22time/hour%22)